Reference specific examples, such as mentioning certain protocols, software tools, or soft skills such as project management. Make concrete claims Back up any claims about your abilities or qualifications with concrete accomplishments.
No need to make it super formal, either. Your telephone number and email are enough. The cover letter is your chance to explain why you're genuinely interested in the company and its mission.
It is about four minutes. Your cover letter and resume are the first parts of your job application that will be evaluated. If you're converting the letter to a PDF, make sure the formatting is translated properly.